Question

An electromagnet is made using
(a) Single-touch method
(c) Double-touch method
(b) Electricity
(d) Induction method​

Answer 1

Electromagnets usually consist of wire wound into a coil. ... The wire turns are often wound around a magnetic core made from a ferromagnetic or ferrimagnetic material such as iron; the magnetic core concentrates the magnetic flux and makes a more powerful magnet.

Answer 2

Answer:

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Explanation:

Electromagnets usually consist of wire wound into a coil. ... The wire turns are often wound around a magnetic core made from a ferromagnetic or ferrimagnetic material such as iron; the magnetic core concentrates the magnetic flux and makes a more powerful magnet.